Home / 999,821.44-1,500,082.05-289,892.08

Finding the Fourth Proportional to 999,821.44, 1,500,082.05 and 289,892.08

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Solution

The fourth proportional to 999,821.44, 1,500,082.05 and 289,892.08 is: 434,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,821.44 : 1,500,082.05 = 289,892.08 : x
  2. Step 2: Convert to fraction form
    999,821.44/1,500,082.05 = 289,892.08/x
  3. Step 3: Cross multiply
    999,821.44x = 1,500,082.05 × 289,892.08
  4. Step 4: Simplify right side
    999,821.44x = 434,861,905,645.16
  5. Step 5: Solve for x
    x = 434,861,905,645.16/999,821.44
  6. Step 6: Final answer
    x = 434,939.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.